11A Leptospirosis

Leptospirosis is caused by a bacteria. It affects both pets and wild animals. However, animals such as rats don't develop full symptoms. 

Leptospirosis is transmitted via urine - it is often contracted through water contaminated with urine. This is a zoonotic disease, and targets the liver and kidneys. 

The signs of leptospirosis include high temperature or pyrexia, anorexia and severe depression. This disease can be prevented through vaccination.